using UnityEditorInternal;
|
|
using UnityEngine;
|
|
using UnityEngine.PostProcessing;
|
|
|
|
namespace UnityEditor.PostProcessing
|
|
{
|
|
public class WaveformMonitor : PostProcessingMonitor
|
|
{
|
|
static GUIContent s_MonitorTitle = new GUIContent("Waveform");
|
|
|
|
ComputeShader m_ComputeShader;
|
|
ComputeBuffer m_Buffer;
|
|
Material m_Material;
|
|
RenderTexture m_WaveformTexture;
|
|
Rect m_MonitorAreaRect;
|
|
|
|
public WaveformMonitor()
|
|
{
|
|
m_ComputeShader = EditorResources.Load<ComputeShader>("Monitors/WaveformCompute.compute");
|
|
}
|
|
|
|
public override void Dispose()
|
|
{
|
|
GraphicsUtils.Destroy(m_Material);
|
|
GraphicsUtils.Destroy(m_WaveformTexture);
|
|
|
|
if (m_Buffer != null)
|
|
m_Buffer.Release();
|
|
|
|
m_Material = null;
|
|
m_WaveformTexture = null;
|
|
m_Buffer = null;
|
|
}
|
|
|
|
public override bool IsSupported()
|
|
{
|
|
return m_ComputeShader != null && GraphicsUtils.supportsDX11;
|
|
}
|
|
|
|
public override GUIContent GetMonitorTitle()
|
|
{
|
|
return s_MonitorTitle;
|
|
}
|
|
|
|
public override void OnMonitorSettings()
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
|
|
bool refreshOnPlay = m_MonitorSettings.refreshOnPlay;
|
|
float exposure = m_MonitorSettings.waveformExposure;
|
|
bool Y = m_MonitorSettings.waveformY;
|
|
bool R = m_MonitorSettings.waveformR;
|
|
bool G = m_MonitorSettings.waveformG;
|
|
bool B = m_MonitorSettings.waveformB;
|
|
|
|
refreshOnPlay = GUILayout.Toggle(refreshOnPlay, new GUIContent(FxStyles.playIcon, "Keep refreshing the waveform in play mode; this may impact performances."), FxStyles.preButton);
|
|
|
|
exposure = GUILayout.HorizontalSlider(exposure, 0.05f, 0.3f, FxStyles.preSlider, FxStyles.preSliderThumb, GUILayout.Width(40f));
|
|
|
|
Y = GUILayout.Toggle(Y, new GUIContent("Y", "Show the luminance waveform only."), FxStyles.preButton);
|
|
|
|
if (Y)
|
|
{
|
|
R = false;
|
|
G = false;
|
|
B = false;
|
|
}
|
|
|
|
R = GUILayout.Toggle(R, new GUIContent("R", "Show the red waveform."), FxStyles.preButton);
|
|
G = GUILayout.Toggle(G, new GUIContent("G", "Show the green waveform."), FxStyles.preButton);
|
|
B = GUILayout.Toggle(B, new GUIContent("B", "Show the blue waveform."), FxStyles.preButton);
|
|
|
|
if (R || G || B)
|
|
Y = false;
|
|
|
|
if (!Y && !R && !G && !B)
|
|
{
|
|
R = true;
|
|
G = true;
|
|
B = true;
|
|
}
|
|
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
Undo.RecordObject(m_BaseEditor.serializedObject.targetObject, "Waveforme Settings Changed");
|
|
m_MonitorSettings.refreshOnPlay = refreshOnPlay;
|
|
m_MonitorSettings.waveformExposure = exposure;
|
|
m_MonitorSettings.waveformY = Y;
|
|
m_MonitorSettings.waveformR = R;
|
|
m_MonitorSettings.waveformG = G;
|
|
m_MonitorSettings.waveformB = B;
|
|
InternalEditorUtility.RepaintAllViews();
|
|
}
|
|
}
|
|
|
|
public override void OnMonitorGUI(Rect r)
|
|
{
|
|
if (Event.current.type == EventType.Repaint)
|
|
{
|
|
// If m_MonitorAreaRect isn't set the preview was just opened so refresh the render to get the waveform data
|
|
if (Mathf.Approximately(m_MonitorAreaRect.width, 0) && Mathf.Approximately(m_MonitorAreaRect.height, 0))
|
|
InternalEditorUtility.RepaintAllViews();
|
|
|
|
// Sizing
|
|
float width = m_WaveformTexture != null
|
|
? Mathf.Min(m_WaveformTexture.width, r.width - 65f)
|
|
: r.width;
|
|
float height = m_WaveformTexture != null
|
|
? Mathf.Min(m_WaveformTexture.height, r.height - 45f)
|
|
: r.height;
|
|
|
|
m_MonitorAreaRect = new Rect(
|
|
Mathf.Floor(r.x + r.width / 2f - width / 2f),
|
|
Mathf.Floor(r.y + r.height / 2f - height / 2f - 5f),
|
|
width, height
|
|
);
|
|
|
|
if (m_WaveformTexture != null)
|
|
{
|
|
m_Material.SetFloat("_Exposure", m_MonitorSettings.waveformExposure);
|
|
|
|
var oldActive = RenderTexture.active;
|
|
Graphics.Blit(null, m_WaveformTexture, m_Material, 0);
|
|
RenderTexture.active = oldActive;
|
|
|
|
Graphics.DrawTexture(m_MonitorAreaRect, m_WaveformTexture);
|
|
|
|
var color = Color.white;
|
|
const float kTickSize = 5f;
|
|
|
|
// Rect, lines & ticks points
|
|
// A B C D E
|
|
// P F
|
|
// O G
|
|
// N H
|
|
// M L K J I
|
|
|
|
var A = new Vector3(m_MonitorAreaRect.x, m_MonitorAreaRect.y);
|
|
var E = new Vector3(A.x + m_MonitorAreaRect.width + 1f, m_MonitorAreaRect.y);
|
|
var I = new Vector3(E.x, E.y + m_MonitorAreaRect.height + 1f);
|
|
var M = new Vector3(A.x, I.y);
|
|
|
|
var C = new Vector3(A.x + (E.x - A.x) / 2f, A.y);
|
|
var G = new Vector3(E.x, E.y + (I.y - E.y) / 2f);
|
|
var K = new Vector3(M.x + (I.x - M.x) / 2f, M.y);
|
|
var O = new Vector3(A.x, A.y + (M.y - A.y) / 2f);
|
|
|
|
var P = new Vector3(A.x, A.y + (O.y - A.y) / 2f);
|
|
var F = new Vector3(E.x, E.y + (G.y - E.y) / 2f);
|
|
var N = new Vector3(A.x, O.y + (M.y - O.y) / 2f);
|
|
var H = new Vector3(E.x, G.y + (I.y - G.y) / 2f);
|
|
|
|
var B = new Vector3(A.x + (C.x - A.x) / 2f, A.y);
|
|
var L = new Vector3(M.x + (K.x - M.x) / 2f, M.y);
|
|
var D = new Vector3(C.x + (E.x - C.x) / 2f, A.y);
|
|
var J = new Vector3(K.x + (I.x - K.x) / 2f, M.y);
|
|
|
|
// Borders
|
|
Handles.color = color;
|
|
Handles.DrawLine(A, E);
|
|
Handles.DrawLine(E, I);
|
|
Handles.DrawLine(I, M);
|
|
Handles.DrawLine(M, new Vector3(A.x, A.y - 1f));
|
|
|
|
// Vertical ticks
|
|
Handles.DrawLine(A, new Vector3(A.x - kTickSize, A.y));
|
|
Handles.DrawLine(P, new Vector3(P.x - kTickSize, P.y));
|
|
Handles.DrawLine(O, new Vector3(O.x - kTickSize, O.y));
|
|
Handles.DrawLine(N, new Vector3(N.x - kTickSize, N.y));
|
|
Handles.DrawLine(M, new Vector3(M.x - kTickSize, M.y));
|
|
|
|
Handles.DrawLine(E, new Vector3(E.x + kTickSize, E.y));
|
|
Handles.DrawLine(F, new Vector3(F.x + kTickSize, F.y));
|
|
Handles.DrawLine(G, new Vector3(G.x + kTickSize, G.y));
|
|
Handles.DrawLine(H, new Vector3(H.x + kTickSize, H.y));
|
|
Handles.DrawLine(I, new Vector3(I.x + kTickSize, I.y));
|
|
|
|
// Horizontal ticks
|
|
Handles.DrawLine(A, new Vector3(A.x, A.y - kTickSize));
|
|
Handles.DrawLine(B, new Vector3(B.x, B.y - kTickSize));
|
|
Handles.DrawLine(C, new Vector3(C.x, C.y - kTickSize));
|
|
Handles.DrawLine(D, new Vector3(D.x, D.y - kTickSize));
|
|
Handles.DrawLine(E, new Vector3(E.x, E.y - kTickSize));
|
|
|
|
Handles.DrawLine(M, new Vector3(M.x, M.y + kTickSize));
|
|
Handles.DrawLine(L, new Vector3(L.x, L.y + kTickSize));
|
|
Handles.DrawLine(K, new Vector3(K.x, K.y + kTickSize));
|
|
Handles.DrawLine(J, new Vector3(J.x, J.y + kTickSize));
|
|
Handles.DrawLine(I, new Vector3(I.x, I.y + kTickSize));
|
|
|
|
// Labels
|
|
GUI.color = color;
|
|
GUI.Label(new Rect(A.x - kTickSize - 34f, A.y - 15f, 30f, 30f), "1.0", FxStyles.tickStyleRight);
|
|
GUI.Label(new Rect(O.x - kTickSize - 34f, O.y - 15f, 30f, 30f), "0.5", FxStyles.tickStyleRight);
|
|
GUI.Label(new Rect(M.x - kTickSize - 34f, M.y - 15f, 30f, 30f), "0.0", FxStyles.tickStyleRight);
|
|
|
|
GUI.Label(new Rect(E.x + kTickSize + 4f, E.y - 15f, 30f, 30f), "1.0", FxStyles.tickStyleLeft);
|
|
GUI.Label(new Rect(G.x + kTickSize + 4f, G.y - 15f, 30f, 30f), "0.5", FxStyles.tickStyleLeft);
|
|
GUI.Label(new Rect(I.x + kTickSize + 4f, I.y - 15f, 30f, 30f), "0.0", FxStyles.tickStyleLeft);
|
|
|
|
GUI.Label(new Rect(M.x - 15f, M.y + kTickSize - 4f, 30f, 30f), "0.0", FxStyles.tickStyleCenter);
|
|
GUI.Label(new Rect(K.x - 15f, K.y + kTickSize - 4f, 30f, 30f), "0.5", FxStyles.tickStyleCenter);
|
|
GUI.Label(new Rect(I.x - 15f, I.y + kTickSize - 4f, 30f, 30f), "1.0", FxStyles.tickStyleCenter);
|
|
}
|
|
}
|
|
}
|
|
|
|
public override void OnFrameData(RenderTexture source)
|
|
{
|
|
if (Application.isPlaying && !m_MonitorSettings.refreshOnPlay)
|
|
return;
|
|
|
|
if (Mathf.Approximately(m_MonitorAreaRect.width, 0) || Mathf.Approximately(m_MonitorAreaRect.height, 0))
|
|
return;
|
|
|
|
float ratio = (float)source.width / (float)source.height;
|
|
int h = 384;
|
|
int w = Mathf.FloorToInt(h * ratio);
|
|
|
|
var rt = RenderTexture.GetTemporary(w, h, 0, source.format);
|
|
Graphics.Blit(source, rt);
|
|
ComputeWaveform(rt);
|
|
m_BaseEditor.Repaint();
|
|
RenderTexture.ReleaseTemporary(rt);
|
|
}
|
|
|
|
void CreateBuffer(int width, int height)
|
|
{
|
|
m_Buffer = new ComputeBuffer(width * height, sizeof(uint) << 2);
|
|
}
|
|
|
|
void ComputeWaveform(RenderTexture source)
|
|
{
|
|
if (m_Buffer == null)
|
|
{
|
|
CreateBuffer(source.width, source.height);
|
|
}
|
|
else if (m_Buffer.count != (source.width * source.height))
|
|
{
|
|
m_Buffer.Release();
|
|
CreateBuffer(source.width, source.height);
|
|
}
|
|
|
|
var channels = m_MonitorSettings.waveformY
|
|
? new Vector4(0f, 0f, 0f, 1f)
|
|
: new Vector4(m_MonitorSettings.waveformR ? 1f : 0f, m_MonitorSettings.waveformG ? 1f : 0f, m_MonitorSettings.waveformB ? 1f : 0f, 0f);
|
|
|
|
var cs = m_ComputeShader;
|
|
|
|
int kernel = cs.FindKernel("KWaveformClear");
|
|
cs.SetBuffer(kernel, "_Waveform", m_Buffer);
|
|
cs.Dispatch(kernel, source.width, 1, 1);
|
|
|
|
kernel = cs.FindKernel("KWaveform");
|
|
cs.SetBuffer(kernel, "_Waveform", m_Buffer);
|
|
cs.SetTexture(kernel, "_Source", source);
|
|
cs.SetInt("_IsLinear", GraphicsUtils.isLinearColorSpace ? 1 : 0);
|
|
cs.SetVector("_Channels", channels);
|
|
cs.Dispatch(kernel, source.width, 1, 1);
|
|
|
|
if (m_WaveformTexture == null || m_WaveformTexture.width != source.width || m_WaveformTexture.height != source.height)
|
|
{
|
|
GraphicsUtils.Destroy(m_WaveformTexture);
|
|
m_WaveformTexture = new RenderTexture(source.width, source.height, 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear)
|
|
{
|
|
hideFlags = HideFlags.DontSave,
|
|
wrapMode = TextureWrapMode.Clamp,
|
|
filterMode = FilterMode.Bilinear
|
|
};
|
|
}
|
|
|
|
if (m_Material == null)
|
|
m_Material = new Material(Shader.Find("Hidden/Post FX/Monitors/Waveform Render")) { hideFlags = HideFlags.DontSave };
|
|
|
|
m_Material.SetBuffer("_Waveform", m_Buffer);
|
|
m_Material.SetVector("_Size", new Vector2(m_WaveformTexture.width, m_WaveformTexture.height));
|
|
m_Material.SetVector("_Channels", channels);
|
|
}
|
|
}
|
|
}
|